<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>文件上传案例</title>
</head>
<body>
  <!--文件上传表单-->
  <form action="/upload" method="post" enctype="multipart/form-data">
    图像：<input type="file" name="file"><br/>
    <button type="submit">提交表单</button>
  </form>
</body>
</html>